| 单词 |
tetradactyl |
| 释义 |
tetradactyl, a. and n.|tɛtrəˈdæktɪl|
Also -dactyle.
[ad. Gr. τετραδάκτυλ-ος having four digits, f. τετρα- tetra- + δάκτυλος finger.]
a. adj. Having four fingers or toes.
b. n. A four-toed animal (esp. a vertebrate). Hence tetradacˈtylity, tetraˈdactyly, the condition of having four digits; also tetraˈdactylous a. = a.
1835Kirby Hab. & Inst. Anim. xvii. II. 194 The foot of birds is most commonly *tetradactyle, with one toe or thumb at the heel and the other three in front. 1847Webster, Tetradactyl, an animal having four toes.
1891Nature 5 Feb. 329/2 If..a man has a finger amputated, his *tetradactylity is a somatogenic property.
1828Webster, *Tetradactylous. 1851Mantell Petrifact. i. §3. 70 Narrow-toed tridactylous or tetradactylous species [of birds]. 1869Gillmore tr. Figuier's Rept. & Birds v. 421 The feet tetradactylous, and furnished with long and strong claws.
1904Amer. Nat. XXXVIII. 3 From the ancestral canid Cynodictis of the Oligocene and lower Miocene,..to Lycaon in which structural *tetradactyly prevails. |
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单词 Tetradynamia 释义 ‖ Tetradynamia Bot.|ttrdnem|[mod.L. (Linnus, 1735), f. Gr. - tetra......